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* Merge branch 'driver-core-next' into Linux 3.2Greg Kroah-Hartman2012-01-06518-6888/+3168Star
|\ | | | | | | | | | | | | | | | | | | | | | | This resolves the conflict in the arch/arm/mach-s3c64xx/s3c6400.c file, and it fixes the build error in the arch/x86/kernel/microcode_core.c file, that the merge did not catch. The microcode_core.c patch was provided by Stephen Rothwell <sfr@canb.auug.org.au> who was invaluable in the merge issues involved with the large sysdev removal process in the driver-core tree. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * arm: fix up some samsung merge sysdev conversion problemsKukjin Kim2012-01-065-5/+5
| | | | | | | | | | | | | | Following should be fixed in your driver-core/driver-core-next. From: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * firmware: Fix an oops on reading fw_priv->fw in sysfs loading fileNeil Horman2012-01-051-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This oops was reported recently: firmware_loading_store+0xf9/0x17b dev_attr_store+0x20/0x22 sysfs_write_file+0x101/0x134 vfs_write+0xac/0xf3 sys_write+0x4a/0x6e system_call_fastpath+0x16/0x1b The complete backtrace was unfortunately not captured, but details can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=769920 The cause is fairly clear. Its caused by the fact that firmware_loading_store has a case 0 in its switch statement that reads and writes the fw_priv->fw poniter without the protection of the fw_lock mutex. since there is a window between the time that _request_firmware sets fw_priv->fw to NULL and the time the corresponding sysfs file is unregistered, its possible for a user space application to race in, and write a zero to the loading file, causing a NULL dereference in firmware_loading_store. Fix it by extending the protection of the fw_lock mutex to cover all of the firware_loading_store function. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Drivers:hv: Fix a bug in vmbus_driver_unregister()K. Y. Srinivasan2012-01-051-4/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The function vmbus_exists() was introduced recently to deal with cases where the vmbus driver failed to initialize and yet other Hyper-V drivers attempted to register with the vmbus bus driver. This patch introduced a bug where vmbus_driver_unregister() would fail to unregister the driver. This patch fixes the problem. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Fuzhou Chen <fuzhouch@microsoft.com> Cc: Sasha Levin <levinsasha928@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * driver core: remove __must_check from device_create_fileGreg Kroah-Hartman2012-01-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | With the conversion of the sysdev to a real struct device, more drivers are calling device_create_file, and some of them don't check the return value, which isn't wise. But as they happen to be in parts of the kernel where a warning is considered an error (i.e. powerpc), this breaks the build. So for now, remove the marking on the function, which fixes the build problems. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * debugfs: add missing #ifdef HAS_IOMEMHeiko Carstens2012-01-041-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "debugfs: add tools to printk 32-bit registers" adds new functions which rely on IOMEM functionality which is not present on all architectures and therefore result in compile errors: fs/debugfs/file.c: In function 'debugfs_print_regs32': fs/debugfs/file.c:561:7: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] Add an #ifdef CONFIG_HAS_IOMEM to fix this Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * arm: time.h: remove device.h #includeGreg Kroah-Hartman2011-12-221-2/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to Russell King, this isn't needed anymore, so just remove it. Reported-by: Russell King <linux@arm.linux.org.uk> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Boojin Kim <boojin.kim@samsung.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * driver-core: remove sysdev.h usage.Kay Sievers2011-12-2263-66/+49Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sysdev.h file should not be needed by any in-kernel code, so remove the .h file from these random files that seem to still want to include it. The sysdev code will be going away soon, so this include needs to be removed no matter what. Cc: Jiandong Zheng <jdzheng@broadcom.com> Cc: Scott Branden <sbranden@broadcom.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: David Brown <davidb@codeaurora.org> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: "Venkatesh Pallipadi Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
| * clockevents: remove sysdev.hKay Sievers2011-12-221-1/+0Star
| | | | | | | | | | | | | | | | | | This isn't needed in the clockevents.c file, and the header file is going away soon, so just remove the #include Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * arm: convert sysdev_class to a regular subsystemKay Sievers2011-12-2243-293/+368
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Boojin Kim <boojin.kim@samsung.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * arm: leds: convert sysdev_class to a regular subsystemKay Sievers2011-12-221-10/+11
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Russell King <linux@arm.linux.org.uk> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * kobject: remove kset_find_obj_hinted()Kay Sievers2011-12-222-39/+0Star
| | | | | | | | | | | | | | | | Now that there are no in-kernel users of this function, remove it as it is no longer needed. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * m86k: gpio - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-4/+5
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * mips: txx9_sram - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-18/+16Star
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * mips: 7segled - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-22/+22
| | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * sh: dma - convert sysdev_class to a regular subsystemKay Sievers2011-12-222-42/+43
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Paul Mundt <lethal@linux-sh.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * sh: intc - convert sysdev_class to a regular subsystemKay Sievers2011-12-223-25/+26
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Paul Mundt <lethal@linux-sh.org> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * power: suspend - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-16/+17
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * power: qe_ic - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-6/+6
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Timur Tabi <timur@freescale.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * power: cmm - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-33/+34
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * s390: time - convert sysdev_class to a regular subsystemKay Sievers2011-12-221-129/+131
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * convert 'memory' sysdev_class to a regular subsystemKay Sievers2011-12-218-200/+177Star
| | | | | | | | | | | | | | | | | | | | | | | | This moves the 'memory sysdev_class' over to a regular 'memory' subsystem and converts the devices to regular devices. The sysdev drivers are implemented as subsystem interfaces now. After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * cpu: convert 'cpu' and 'machinecheck' sysdev_class to a regular subsystemKay Sievers2011-12-2138-877/+874Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This moves the 'cpu sysdev_class' over to a regular 'cpu' subsystem and converts the devices to regular devices. The sysdev drivers are implemented as subsystem interfaces now. After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Userspace relies on events and generic sysfs subsystem infrastructure from sysdev devices, which are made available with this conversion. Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Borislav Petkov <bp@amd64.org> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Cc: Len Brown <lenb@kernel.org> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Dave Jones <davej@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * xen: fix build breakage in xen-selfballoon.c caused by sysdev conversionGreg Kroah-Hartman2011-12-151-0/+1
| | | | | | | | | | | | | | | | | | This adds the needed include file for xen-selfballoon.c to fix the build error reported by Stephen Rothwell. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * xen-balloon: convert sysdev_class to a regular subsystemKay Sievers2011-12-153-84/+83Star
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * clocksource: convert sysdev_class to a regular subsystemKay Sievers2011-12-151-18/+19
| | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * ibm_rtl: convert sysdev_class to a regular subsystemKay Sievers2011-12-151-17/+17
| | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * edac: convert sysdev_class to a regular subsystemKay Sievers2011-12-1511-59/+53Star
| | | | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Doug Thompson <dougthompson@xmission.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Borislav Petkov <borislav.petkov@amd.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * rtmutex-tester: convert sysdev_class to a regular subsystemKay Sievers2011-12-141-18/+19
| | | | | | | | | | | | | | | | | | | | | | After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * driver-core: implement 'sysdev' functionality for regular devices and busesKay Sievers2011-12-147-62/+431
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All sysdev classes and sysdev devices will converted to regular devices and buses to properly hook userspace into the event processing. There is no interesting difference between a 'sysdev' and 'device' which would justify to roll an entire own subsystem with different userspace export semantics. Userspace relies on events and generic sysfs subsystem infrastructure from sysdev devices, which are currently not properly available. Every converted sysdev class will create a regular device with the class name in /sys/devices/system and all registered devices will becom a children of theses devices. For compatibility reasons, the sysdev class-wide attributes are created at this parent device. (Do not copy that logic for anything new, subsystem- wide properties belong to the subsystem, not to some fake parent device created in /sys/devices.) Every sysdev driver is implemented as a simple subsystem interface now, and no longer called a driver. After all sysdev classes are ported to regular driver core entities, the sysdev implementation will be entirely removed from the kernel. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * kref: fix up the kfree build problemsGreg Kroah-Hartman2011-12-141-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It turns out that some memory allocators use kobjects, which use krefs, and kref.h was wanting to figure out the address of kfree(), which ended up in a loop. kfree was only being needed for a warning to tell the caller that they were doing something stupid. Now we just move that warning into the comments for the functions, which results in a bit more fun as everyone enjoys digging for people to mock at times of boredom. So, remove the dependancy of slab.h on kref.h, and fix up the other include file as well (we really only need bug.h and atomic.h, not types.h). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * kref: Remove the memory barriersPeter Zijlstra2011-12-131-2/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 1b0b3b9980e ("kref: fix CPU ordering with respect to krefs") wrongly adds memory barriers to kref. It states: some atomic operations are only atomic, not ordered. Thus a CPU is allowed to reorder memory references to an object to before the reference is obtained. This fixes it. While true, it fails to show why this is a problem. I say it is not a problem because if there is a race with kref_put() such that we could end up referencing a free'd object without this memory barrier, we would still have that race with the memory barrier. The kref_put() in question could complete (and free the object) before the atomic_inc() and we'd still be up shit creek. The kref_init() case is even worse, if your object is published at this time you're so wrong the memory barrier won't make a difference what so ever. If its not published, the act of publishing should include the needed barriers/locks to make sure all writes prior to the act of publishing are complete such that others will only observe a complete object. Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Oliver Neukum <oneukum@suse.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * kref: Implement kref_put in terms of kref_subPeter Zijlstra2011-12-131-18/+10Star
| | | | | | | | | | | | | | | | | | | | Less lines of code is better. Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * kref: Inline all functionsPeter Zijlstra2011-12-133-103/+76Star
| | | | | | | | | | | | | | | | | | | | | | These are tiny functions, there's no point in having them out-of-line. Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-8eccvi2ur2fzgi00xdjlbf5z@git.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Drivers: hv: Get rid of an unnecessary check in hv.cK. Y. Srinivasan2011-12-121-5/+0Star
| | | | | | | | | | | | | | | | | | In preparation for eventually supporting kexec in Linux VMs on Hyper-V, get rid of an unnecessary check in hv_init(). Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Drivers: hv: Make the vmbus driver unloadableK. Y. Srinivasan2011-12-124-0/+26
| | | | | | | | | | | | | | | | | | It turns out that the vmbus driver can be made unloadable. Make it unloadable. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Drivers: hv: Fix a memory leakK. Y. Srinivasan2011-12-121-0/+1
| | | | | | | | | | | | | | | | | | There was a memory leak in a failure path in vmbus_process_offer(). Fix it. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Documentation: Update stable addressJoe Perches2011-12-122-6/+6
| | | | | | | | | | | | | | | | | | | | | | The Japanese/Korean/Chinese versions still need updating. Also, the stable kernel 2.6.x.y descriptions are out of date and should be updated as well. Signed-off-by: Joe Perches <joe@perches.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * MAINTAINERS: stable: Update addressJoe Perches2011-12-121-1/+1
| | | | | | | | | | | | | | | | The old address hasn't worked since the great intrusion of August 2011. Signed-off-by: Joe Perches <joe@perches.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * w1: add fast search for single slave busEvgeniy Polyakov2011-12-101-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | This enables a much more efficient way of device searching. It uses the 1-wire read-rom operation which allows the direct reading of the slave address. BUT this works only with exactly one slave on the bus. Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> index c374978..9761950 100644 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * driver-core: skip uevent generation when nobody is listeningKay Sievers2011-12-101-0/+3
| | | | | | | | | | | | | | | | | | Most network namespaces unlikely have listeners to uevents, and should benefit from skipping all the string copies. Cc: Eric Biederman <ebiederm@xmission.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * drivers: hv: Don't OOPS when you cannot init vmbusK. Y. Srinivasan2011-12-101-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | The hv vmbus driver was causing an OOPS since it was trying to register drivers on top of the bus even if initialization of the bus has failed for some reason (such as the odd chance someone would run a hv enabled kernel in a non-hv environment). Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * firmware: google: fix gsmi.c build warningMaxin B. John2011-12-101-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Use min_t() macro instead of min() to fix a build warning: CC drivers/firmware/google/gsmi.o drivers/firmware/google/gsmi.c: In function ‘gsmi_get_variable’: drivers/firmware/google/gsmi.c:348: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Maxin B. John <maxin.john@gmail.com> Acked-By: Mike Waychison <mikew@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * drivers_base: make argument to platform_device_register_full constUwe Kleine-König2011-12-102-2/+2
| | | | | | | | | | | | | | | | platform_device_register_full doesn't modify *pdevinfo so it can be marked as const without further adaptions. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * uio: convert drivers/uio/* to use module_platform_driver()Axel Lin2011-11-273-36/+3Star
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch converts the drivers in drivers/uio/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Cc: Magnus Damm <damm@igel.co.jp> Cc: Amit Chatterjee <amit.chatterjee@ti.com> Cc: Pratheesh Gangadhar <pratheesh@ti.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * topology: Provide CPU topology in sysfs in !SMP configurationsBen Hutchings2011-11-271-2/+2
| | | | | | | | | | | | | | | | | | | | | | We should provide topology information to userland even if it's not very interesting. The current code appears to work properly for !SMP (tested on i386). Reference: http://bugs.debian.org/649216 Reported-by: Marcus Osdoba <marcus.osdoba@googlemail.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * debugfs: remove unneeded cast in debugfs_print_regs32()Dan Carpenter2011-11-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The cast here causes a Sparse warning: fs/debugfs/file.c:561:42: warning: cast removes address space of expression fs/debugfs/file.c:561:42: warning: incorrect type in argument 1 (different address spaces) fs/debugfs/file.c:561:42: expected void const volatile [noderef] <asn:2>*addr fs/debugfs/file.c:561:42: got void *<noident> It's redundant to cast it to a (void *) anyway when it is already a (void __iomem *). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * hv: Add Kconfig menu entryBart Van Assche2011-11-271-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | Most of the drivers/*/Kconfig files define a menu entry. Define a menu item for hv too such that it becomes uniform with e.g. virtio for at least "make xconfig" and "make menuconfig" users. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: James Bottomley <JBottomley@Parallels.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Staging: hv: vmbus: Support building the vmbus driver as part of the kernelK. Y. Srinivasan2011-11-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | Modify the way we initialize the vmbus driver so that all the hyper-v drivers can be linked with the kernel and still ensure that the vmbus driver is fully initialized before the drivers that depend upon the vmbus driver attempt to initialize. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * hv: Move Kconfig menu entryBart Van Assche2011-11-271-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Move the "Device Drivers/Microsoft Hyper-V guest support" menu entry up such that it appears immediately below virtio (KVM and lguest guest driver support) instead of after a hypervisor driver menu entry. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: James Bottomley <JBottomley@Parallels.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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